html,body{width: 100%;min-width: 1280px;}
.header{
	height: 90px;
	background-color: #f90;
	line-height: 90px;
	box-sizing: border-box;
	padding:0 20px;
}
.logo{
	display: inline-block;
	font-size: 12px;
	line-height: 22px;
}
#mainWrap{
	width: 100%;
	overflow: hidden;
	
}
.lSide{
	padding-bottom:100000px;
	margin-bottom:-100000px;
	float: left;
	min-height: 600px;
}
.mainBody{
	width: 100%;
	float: left;
	padding-bottom:100000px;
	margin-bottom:-100000px;
	background-color: #ccc;
	margin-right: -220px;
	box-sizing: border-box;
	padding-right: 220px;
}


